$ git clone -n https://src.fedoraproject.org/rpms/fedmod.git /var/lib/mock/f38-build-side-42-init-devel-718820-27296/root/chroot_tmpdir/scmroot/fedmod
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-718820-27296/root/chroot_tmpdir/scmroot/fedmod'...
$ git fetch origin 6bfef085ee28fc4c9445549cf08b5ef4b9fae587:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fedmod
 * [new ref]         6bfef085ee28fc4c9445549cf08b5ef4b9fae587 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6bfef08 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild